Description

1-Ethoxy-2,3-difluoro-4-[(trans,trans)-4′-pentyl[1,1′-bicyclohexyl]-4-yl]benzene (CAS No. 124728-81-0) is a high-purity liquid crystalline compound with the molecular formula C₂₅H₃₈F₂O. This advanced organic material features a bicyclohexyl core substituted with an ethoxy-difluorobenzene moiety, offering exceptional thermal stability and electro-optical properties. Its trans,trans configuration ensures optimal molecular alignment for liquid crystal display (LCD) applications. The compound exhibits low viscosity and high birefringence, making it particularly valuable for high-performance display technologies. Available in research quantities with ≥98% purity by HPLC, this chemical is supplied in amber vials under inert atmosphere to ensure stability.

Key specifications include: Molecular Weight: 392.57 g/mol, Density: ~1.05 g/cm³ at 20°C, Refractive Index: ~1.55 (589 nm, 20°C). The material is soluble in common organic solvents such as dichloromethane, toluene, and THF, but insoluble in water. Storage recommendations: maintain at 2-8°C under nitrogen with desiccant to prevent moisture absorption and oxidative degradation.

Properties

• CAS Number: 124728-81-0
• Complexity: 426
• IUPAC Name: 1-ethoxy-2,3-difluoro-4-[4-(4-pentylcyclohexyl)cyclohexyl]benzene
• InChI: InChI=1S/C25H38F2O/c1-3-5-6-7-18-8-10-19(11-9-18)20-12-14-21(15-13-20)22-16-17-23(28-4-2)25(27)24(22)26/h16-21H,3-15H2,1-2H3
• InChI Key: GLZNOTOAQDMKMM-UHFFFAOYSA-N
• Exact Mass: 392.28907216
• Molecular Formula: C25H38F2O
• Molecular Weight: 392.6
• SMILES: CCCCCC1CCC(CC1)C2CCC(CC2)C3=C(C(=C(C=C3)OCC)F)F
• Topological: 9.2
• Monoisotopic Mass: 392.28907216
• Synonyms: 1-ethoxy-2,3-difluoro-4-[(trans,trans)-4′-pentyl[1,1′-bicyclohexyl]-4-yl]Benzene, 1-Ethoxy-2,3-difluoro-4-((trans,trans)-4′-pentyl(1,1′-bicyclohexyl)-4-yl)benzene, 124728-81-0, (trans,trans)-4-(4-Ethoxy-2,3-difluorophenyl)-4′-pentyl-1,1′-bi(cyclohexane), Benzene, 1-ethoxy-2,3-difluoro-4-[(trans,trans)-4′-pentyl[1,1′-bicyclohexyl]-4-yl]-, 1-ethoxy-2,3-difluoro-4-[4-(4-pentylcyclohexyl)cyclohexyl]benzene, trans,trans-4′-(4-Ethoxy-2,3-difluoro-phenyl)-4-pentyl-bicyclohexyl, 1-ethoxy-2,3-difluoro-4-(4-(4-pentylcyclohexyl)cyclohexyl)benzene, GLZNOTOAQDMKMM-UHFFFAOYSA-N, MFCD27978437, 5bcH2OdFP, SCHEMBL3437333, SCHEMBL8452717, SCHEMBL8452731, SCHEMBL15203896, DTXSID90623348, AKOS022180590, AKOS024462661, DS-15380, CS-0158646, 1-Ethoxy-2,3-difluoro-4-[(trans,trans)-4a(2)-pentyl[1,1a(2)-bicyclohexyl]-4-yl]benzene, 3~4~-Ethoxy-3~2~,3~3~-difluoro-1~4~-pentyl-1~1~,1~2~,1~3~,1~4~,1~5~,1~6~,2~1~,2~2~,2~3~,2~4~,2~5~,2~6~-dodecahydro-1~1~,2~1~:2~4~,3~1~-terphenyl

Application

This compound serves as a crucial component in advanced liquid crystal mixtures for high-resolution displays, particularly in applications requiring wide operating temperature ranges and fast response times. Researchers utilize it in developing electro-optical devices due to its excellent dielectric anisotropy and low rotational viscosity. The material shows particular promise in next-generation LCD technologies, including VA (vertical alignment) and IPS (in-plane switching) modes. Its fluorinated structure contributes to improved voltage holding ratios in display applications.

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